25QB083 Q and A.docx

Hanger J Compressor

FA252125QB083

Q and A Scope & Technical Questions (Hangar-Specific)

1. Is the scope limited for just the compress air room enclosure?

0. Yes, but breathing air may require testing at the source and use points

1. How many drop points, manifolds, or hose reels are needed are needed in the compressed air room? Or if any?

1. No drops will be needed in the compressor room

1. Are fire suppression or explosion-proof electrical components required?

2. Explosion-proof components will not be needed in the compressor room.

Code & Safety Compliance

1. Must the system meet UFC 3-410-01 (Compressed Air Systems) and UFC 4-211-01 (Aircraft Maintenance Hangars)?

0. Yes

1. Is arc flash labeling and panel coordination part of the install scope?

1. This should already be done by the main building contractor.

1. Are there environmental monitoring requirements (for leaks, VOCs, pressure drops)?

2. CE will not be monitoring this. No remote monitoring is needed.

1. Specific testing requirements after installation of equipment?

3. Testing of the breathing air is a requirement Power, Controls & Integration

1. Who lands the final power to the compressors?

0. The HITT building contractor will provide the disconnect box on the wall

0. The compressor installer will make final Electrical connections to the box, to include flexible conduit.

1. Is BAS or SCADA integration required? What communication protocol is used (BACnet/IP, Modbus, LonWorks)?

1. No

1. Is remote monitoring, alarming, or duty-cycling required for the compressor system?

2. Remote monitoring is not required but monitoring capability on the equipment should be enabled.

1. Are there energy efficiency standards or monitoring protocols (e.g., LEED, DoD energy mandates)?

3. No

1. Termination points on the unit or not?

4. Not sure what the question is referring to, please restate.

1. Is there a need for emergency power to supply the equipment? I.E. is there a generator on site?

5. No backup generator is planned for this facility Logistics, Security, & Coordination

1. What are the access control requirements for this hangar (escort needed, security clearance) for all workers?

0. Must have a real ID. Non-US citizens require an extended approval timeline.

1. List of approved sub-contractors for this project?

1. If the Prime Contractor engages a subcontractor, they may select one of their choosing in accordance with the clauses and provisions outlined in the RFQ — specifically FAR 52.219-8, Utilization of Small Business Concerns. The Prime Contractor will remain fully responsible for all work performed by the subcontractor. Additionally, subcontractor personnel must meet base access requirements and be properly vetted prior to commencing work.

1. Who will be the contact on a daily basis?

2. This information will be provided at the time of contract award Bid & Contract Clarifications

1. Estimated budget requirements?

0. We will not be providing budget estimates

· Is this a firm-fixed-price contract?

· Yes

· Are union labor or prevailing wage requirements (Davis-Bacon) applicable?

· Davis-Bacon is applicable to constructions contracts. This will be a services contract. Services contract clauses and provisions will be provided during RFQ.

· Are performance and payment bonds required?

· No

· What level of insurance must be carried out for the duration of the project?

· Not required for this contract

· What is the anticipated schedule to start and are phased installs allowed?

· Installation is expected to begin immediately following contract award. If phased installation is requested, this must be clearly specified in your quote at the time of RFQ submission and can be approved by the Government.

· Will a pre-installation inspection or final commissioning walkthrough with USAF engineers be required?

· Yes

· Will we be required to attend safety/construction meetings and what is the schedule?

· Yes, as required by the Army Corps and or the HITT building contractor

· Schedule will be coordinated after award.

GENERAL DRAWING CLARIFICATIONS

· Please provide PDF copies for the following drawing number sheets: EP-101, E1 for room, E602-M1-Panel, P-106, P-503, P-905, 906, Piping and shop drawings- P903 + 902

· See attachments

· 100% design drawing have had any modifications?

· There have been modifications to the drawing throughout the build process. The as build drawings are not available as of yet but we have access to drawing information through the main building contractor.

· Are the most up to date compressor specs in the PWS?

· The compressor specs are from the 65% design plan and were not included in the 100% design. The compressor spec information is dated Feb 2020.

· IAW the sources sought document (attached to the SAM.gov post) “45 CONS is interested in receiving comments from the industry on the draft PWS/SOO in regards on how the services are performed in the commercial industry.”

· Are there discrepancies between the mechanical, structural, and electrical drawings within the compressed air room

· Additional site visits after award can be coordinated to determine if there are any discrepancies

· Any modifications to the original drawings that we may need for bidding purpose?

· I do not believe that there are any modifications that would impact the bidding process.

COMPRESSED AIR SYSTEM LAYOUT

1. Please provide approved materials to be used with the systems required.

0. Contractor should submit all material intended to be used to the govt for approval.

1. Provide cut sheets currently installed for system piping?

1. We provided the requested drawings if more drawings are needed please make a request

1. Do any pipe runs require seismic bracing or vibration isolation? We were informed none of this required, please confirm.

2. Must be secured, in accordance with PSFB standards.

EQUIPMENT INSTALLATION QUESTIONS

1. Is there a specific construction requirement for the concrete pads for this project? 3000PSI acceptable? Wire mesh requirement?

0. Yes; wire mesh; The equipment should meet the minimum housekeeping pad requirement.

1. Are equipment submittals required prior to bid?

1. Equipment submittals will be provided with the quote during RFQ

1. We were told similar equipment type are allowed, please confirm?

2. Yes, if it meets system requirements/SPECS. Must be Made in USA.

P&ID AND DETAIL DRAWINGS

1. Are all components shown in the P&ID present in the plan view (valves, drains, sensors)?

0. Please clarify the question

1. Are condensate drains routed to approved locations and noted on plans?

1. If there is a floor drain in the mechanical room. PVC or copper to the floor drain is allowed.

COORDINATION & CONFLICT QUESTIONS

1. Are details for anchoring provided as well as hanging from structure?

0. Any hanging from structure must be reviewed and approved by the current building contractor and the US Army Corps of Engineers.

COMPLIANCE, CLOSEOUT, AND COMMISSIONING

1. Are as-built markups required directly on CAD files or redlines?

0. Provide redlines to CES